Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 52, NWS La Crosse, WI

July 1, 2011Clark County, Taylor County, Wisconsin

NWS La Crosse, WI issued this severe thunderstorm warning at Jul 1, 2011, 10:19 PM CDT for Clark County, Taylor County, Wisconsin. It was in force for 56 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jul 1, 2011, 10:19 PM CDT (03:19 UTC)
Expired: Jul 1, 2011, 11:15 PM CDT
In force: 56 min
Issued by: NWS La Crosse, WI
Area: Storm-based polygon
Hail: 0.5 in
Wind: 60.0 mph

Counties Clark County, WI, Taylor County, WI

The radar

The La Crosse radar (KARX), 148 km from the middle of the area, began a volume at 03:22 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
Jul 1, 10:55 PM CDT	TSTM WND GST 55	2 E Loyal, WI

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 1, 8:07 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 3.3 hours before the alert went out and 190 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 5304 J/kg
Mixed-layer CIN: -70 J/kg
Mixed-layer LCL: 869 m above ground
0-6 km bulk shear: 5 kt
0-1 km storm-relative helicity: 114 m²/s²
0-3 km storm-relative helicity: 298 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

019 
WUUS53 KARX 020319
SVRARX
WIC019-119-020415-
/O.NEW.KARX.SV.W.0052.110702T0319Z-110702T0415Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
1019 PM CDT FRI JUL 1 2011

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CLARK COUNTY IN CENTRAL WISCONSIN...
  TAYLOR COUNTY IN NORTH CENTRAL WISCONSIN...

* UNTIL 1115 PM CDT

* AT 1015 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SEVERE THUNDERSTORMS ROUGHLY ALONG A LINE EXTENDING FROM 14 MILES
  SOUTHWEST OF JUMP RIVER TO 10 MILES WEST OF THORP TO WHITEHALL...
  MOVING NORTHEAST AT 60 MPH. THESE STORMS CAN PRODUCE DAMAGING WINDS
  IN EXCESS OF 60 MPH.  

* THE SEVERE THUNDERSTORMS WILL BE NEAR...
  JUMP RIVER AND THORP AROUND 1030 PM...
  HUMBIRD AROUND 1035 PM...
  OWEN AROUND 1045 PM...
  GREENWOOD AROUND 1050 PM...
  MEDFORD AND WESTBORO AROUND 1055 PM...
  RIB LAKE AND LOYAL AROUND 1100 PM...
  ABBOTSFORD AROUND 1105 PM...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THESE STORMS...PREPARE IMMEDIATELY FOR
DAMAGING WINDS. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS.

&&

LAT...LON 4539 9005 4512 9004 4512 9018 4504 9019
      4503 9031 4475 9031 4451 9081 4451 9092
      4537 9093
TIME...MOT...LOC 0319Z 235DEG 52KT 4527 9096 4496 9092
          4441 9115
WIND...HAIL 60MPH <.50IN

$$

04

4 follow-up statements

157 
WWUS53 KARX 020337
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
1037 PM CDT FRI JUL 1 2011

WIC019-119-020415-
/O.CON.KARX.SV.W.0052.000000T0000Z-110702T0415Z/
CLARK WI-TAYLOR WI-
1037 PM CDT FRI JUL 1 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR TAYLOR AND
CLARK COUNTIES UNTIL 1115 PM CDT...

AT 1033 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WERE ROUGHLY ALONG A LINE EXTENDING FROM JUMP RIVER TO
10 MILES NORTHEAST OF THORP TO HATFIELD...MOVING NORTHEAST AT 60 MPH.
THESE STORMS CAN PRODUCE DAMAGING WINDS IN EXCESS OF 60 MPH.

* THE SEVERE THUNDERSTORMS WILL BE NEAR...
  LOYAL AROUND 1050 PM...
  MEDFORD AND DORCHESTER AROUND 1055 PM...
  WESTBORO AND RIB LAKE AROUND 1100 PM...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THESE STORMS...PREPARE IMMEDIATELY FOR
DAMAGING WINDS. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM SATURDAY
MORNING FOR NORTHEASTERN IOWA AND SOUTHEAST MINNESOTA AND
NORTHWESTERN WISCONSIN.

&&

LAT...LON 4539 9005 4512 9004 4512 9018 4504 9019
      4503 9031 4475 9031 4451 9081 4451 9092
      4537 9093
TIME...MOT...LOC 0337Z 235DEG 52KT 4538 9074 4511 9062
          4452 9072
WIND...HAIL 60MPH <.50IN

$$

04

053 
WWUS53 KARX 020348
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
1048 PM CDT FRI JUL 1 2011

WIC019-119-020415-
/O.CON.KARX.SV.W.0052.000000T0000Z-110702T0415Z/
CLARK WI-TAYLOR WI-
1048 PM CDT FRI JUL 1 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR TAYLOR AND
CLARK COUNTIES UNTIL 1115 PM CDT...

LOCAL LAW ENFORCEMENT OFFICIALS REPORTED TREES DOWN WEST OF 
NEILLSVILLE AT 1045 PM CDT WITH A LINE OF SEVERE THUNDERSTORMS.

AT 1043 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WERE ROUGHLY ALONG A LINE EXTENDING FROM 10 MILES
NORTHEAST OF JUMP RIVER TO MEDFORD TO NEILLSVILLE...MOVING NORTHEAST
AT 60 MPH. THESE STORMS CAN PRODUCE DAMAGING WINDS IN EXCESS OF 60
MPH.

* THE SEVERE THUNDERSTORMS WILL BE NEAR...
  MEDFORD AND DORCHESTER AROUND 1055 PM...
  WESTBORO AND RIB LAKE AROUND 1100 PM...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THESE STORMS...PREPARE IMMEDIATELY FOR
DAMAGING WINDS. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM SATURDAY
MORNING FOR NORTHEASTERN IOWA AND SOUTHEAST MINNESOTA AND
NORTHWESTERN WISCONSIN.

&&

LAT...LON 4537 9084 4539 9005 4512 9004 4512 9018
      4504 9019 4503 9031 4475 9031 4451 9081
      4451 9092
TIME...MOT...LOC 0347Z 235DEG 52KT 4546 9057 4519 9045
          4460 9055
WIND...HAIL 60MPH <.50IN

$$

04

734 
WWUS53 KARX 020400
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
1100 PM CDT FRI JUL 1 2011

WIC019-119-020415-
/O.CON.KARX.SV.W.0052.000000T0000Z-110702T0415Z/
CLARK WI-TAYLOR WI-
1100 PM CDT FRI JUL 1 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR TAYLOR AND
CLARK COUNTIES UNTIL 1115 PM CDT...

AT 1056 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WERE ROUGHLY ALONG A LINE EXTENDING FROM 14 MILES
NORTHWEST OF WESTBORO TO CHELSEA TO LOYAL...MOVING NORTHEAST AT 60
MPH. THESE STORMS CAN PRODUCE DAMAGING WINDS IN EXCESS OF 60 MPH.

* THE SEVERE THUNDERSTORMS WILL BE NEAR...
  RURAL NORTHEASTERN TAYLOR COUNTY AT 1110 PM...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THESE STORMS...PREPARE IMMEDIATELY FOR
DAMAGING WINDS. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM SATURDAY
MORNING FOR NORTHEASTERN IOWA AND SOUTHEAST MINNESOTA AND
NORTHWESTERN WISCONSIN.

&&

LAT...LON 4537 9084 4539 9005 4512 9004 4512 9018
      4504 9019 4503 9031 4475 9031 4451 9081
      4451 9092
TIME...MOT...LOC 0400Z 235DEG 52KT 4557 9035 4530 9023
          4471 9033
WIND...HAIL 60MPH <.50IN

$$
04

226 
WWUS53 KARX 020407
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
1107 PM CDT FRI JUL 1 2011

WIC019-119-020417-
/O.EXP.KARX.SV.W.0052.000000T0000Z-110702T0415Z/
CLARK WI-TAYLOR WI-
1107 PM CDT FRI JUL 1 2011

...THE SEVERE THUNDERSTORM WARNING FOR TAYLOR AND CLARK COUNTIES WILL
EXPIRE AT 1115 PM CDT...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE
WARNED AREA.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM CDT
SATURDAY MORNING FOR NORTHEASTERN IOWA AND SOUTHEAST MINNESOTA AND
NORTHWESTERN WISCONSIN.

LAT...LON 4537 9084 4539 9005 4512 9004 4512 9018
      4504 9019 4503 9031 4475 9031 4451 9081
      4451 9092
TIME...MOT...LOC 0407Z 235DEG 52KT 4563 9023 4536 9011
          4477 9021

$$

04

The office that day

Everything else NWS La Crosse, WI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 1, 9:21 PM CDT	Severe Thunderstorm Warning	ARX	Buffalo, Trempealeau	39 min
Jul 1, 10:17 PM CDT	Severe Thunderstorm Warning	ARX	Buffalo, Jackson, La Crosse, Trempealeau, Vernon	58 min
Jul 1, 10:56 PM CDT	Severe Thunderstorm Warning	ARX	Clark, Jackson, Monroe, Vernon	43 min
Jul 1, 11:10 PM CDT	Severe Thunderstorm Warning	ARX	Adams, Juneau	67 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2011 Every severe thunderstorm warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.